When Jonathan begins to act strangely, Clark believes Jor-El is sending Jonathan messages through the key and is the cause for his father's withdrawal from the family. Clark goes down to the caves to confront his biological father but Lionel catches him there and begins putting the pieces together, leading him straight to Dr. Swann. As the two billionaires face off, a deal is struck and Lionel's true motives are revealed.
| Title | Legacy |
|---|---|
| Genres | Sci-Fi & Fantasy Action & Adventure Drama |
| Release Date | 2004-04-14 |
| Episode Runtime | 00 Hours 43 Minutes |
| Season Number | 3 |
| Episode Number | 17 |
| Production Companies | DC, Warner Bros. Television, Tollin/Robbins Productions, Millar Gough Ink |
